glants_mech/linux/src/camera.h

   1 //
   2 // Berlin Brown
   3 // bigbinc@hotmail.com
   4 //
   5 #ifndef _CAMERA_H_
   6 #define _CAMERA_H_
   7
   8 #include "bot.h"
   9
  10 #define MAX_ZOOM                        45.2f
  11
  12 #define OFFSET_ROTATION         8.0f
  13
  14 #define PI_1 3.141592654f
  15
  16 #define  PI              (3.14159265358f)
  17 #define  PI_180          (PI_1 / 180.0f)
  18
  19 #define CAMERA          driver_camera[current_camera]
  20
  21 typedef float Vector[3];
  22
  23 #define MAX_CAMERAS             4
  24
  25
  26 #define BEGIN_CAMERA    glPushMatrix(); SetCamera();
  27 #define END_CAMERA              glPopMatrix();
  28
  29 #define SELECT_CAMERA(cam_id)   current_camera = cam_id
  30
  31 #define CAMERA_STATIC                   0
  32 #define CAMERA_WALKING                  1
  33
  34 //----------------------------------
  35 // define a camera struct
  36 //..................................
  37 typedef struct tagCamera
  38 {
  39
  40         float position[3];                      // current location
  41         float angle[3];                         // angle camera is pointing
  42         float rotation[3];                      // rotation around the world
  43         float centerx;                          // center axis
  44         float centery;
  45         float centerz;                          // center axis x, y, z
  46
  47         float Yaw;
  48         float Pitch;
  49         float Roll;
  50
  51         float   zoom_factor;
  52         float   old_zoom;                       // save zoom
  53
  54         int             id;                                     // id number for camera
  55         int             type;                           // camera TYPE
  56
  57 } DriverCamera;
  58
  59
  60 void Vector_Normalize(Vector a, Vector res);
  61
  62 void HandleCameraKeys(bool *keys);
  63
  64
  65 float GetBotX(void);
  66 float GetBotY(void);
  67
  68 void LoadCameras(void);
  69 void ToggleCamera(void);
  70 void SetCamera(void);
  71
  72 void TranslateCamera(float x, float y, float z);
  73 void AngleCamera(float x, float y, float z);
  74 void TurnCamera(float x, float y, float z);
  75
  76 void PosCamera(float x, float y, float z);
  77
  78 void SyncCamera(void);
  79
  80 void GetCameraBot(DriverBotPtr bot);
  81
  82 void SpringDamp(
  83                 Vector currPos,
  84                 Vector trgPos,     // Target Position
  85                 Vector prevTrgPos, // Previous Target Position
  86                 Vector result,
  87
  88                 float springConst,  // Hooke's Constant
  89                 float dampConst,    // Damp Constant
  90                 float springLen);
  91
  92 extern DriverCamera *driver_camera[MAX_CAMERAS];
  93 extern int      current_camera;
  94
  95 void ToggleViewMode(void);
  96
  97
  98 #endif
  99